NOAA GHCND · LIVE
Weather landscape

Unknown author / CC0

Anchorage, AK Weather on August 12

Anchorage hit 80°F on this date in 2019, shattering typical August warmth

August 12 in Anchorage typically brings mild conditions with highs around 66°F and lows near 52°F, based on nearly three decades of records. However, the day's record high of 80°F set in 2019 demonstrates how anomalously warm conditions can grip Alaska's largest city during summer, far exceeding the normal temperature range by 14 degrees. The record low of 46°F from 1998 shows the flip side, with cool mornings remaining possible even in mid-August.

By Weather On This Day|
Avg High
67°F
Avg Low
52°F
Record High
80°F
2019
Record Low
46°F
2011
Anchorage, AK on August 12 — Temperature History40°F50°F60°F70°F80°F19801990200020102020HighLow

What to Expect on August 12

Planning for August 12th in Anchorage, AK? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Frequently Asked Questions

What was the warmest August 12 ever in Anchorage?

The warmest August 12 in Anchorage, AK reached 80°F in 2019. That is 13°F above the long-term average high of 67°F.

What was the coldest August 12 ever in Anchorage?

The coldest August 12 in Anchorage, AK dropped to 46°F in 2011. That is 6°F below the long-term average low of 52°F.

What is the average temperature on August 12 in Anchorage?

On August 12, Anchorage averages a high of 67°F and a low of 52°F based on 29 years of NOAA weather observations from ANCHORAGE PARK STRIP.

How many years of weather data are available for August 12 in Anchorage?

We have 29 years of weather records for August 12 in Anchorage, AK, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

August 12 Weather History in Anchorage

YearHighLowPrecipSnow
202568°F49°F0"--
202456°F47°F0.12"--
202364°F49°F0"--
202261°F56°F0.41"--
202161°F52°F0.13"--
202065°F48°F0"--
201980°F53°F0"--
201873°F54°F0.07"--
201760°F52°F0.51"--
201663°F55°F0.11"--
201570°F47°F0"--
201462°F55°F0.06"--
201368°F56°F0.03"--
201270°F56°F0"--
201170°F46°F0"--
201059°F52°F0.06"--
200967°F49°F0"--
200867°F48°F0"--
200770°F57°F0"--
200663°F53°F0.11"--
200578°F57°F0"--
200471°F57°F0"--
200366°F56°F0.15"--
200261°F52°F0.82"--
200172°F54°F0"--
200075°F52°F0"--
199960°F56°F1.21"--
199868°F46°F0"--
197163°F52°F0"--

Based on 29 years of data from NOAA station: ANCHORAGE PARK STRIP

How Has August 12 Changed?

The last decade has been 3.3°F cooler on this date compared to 20-30 years ago.

Monthly Climate Averages

Historical temperature and precipitation averages for Anchorage, AK, based on 55+ years of weather data.

Warmest MonthJulyAvg High: 68°F / Low: 53°F
Coldest MonthJanuaryAvg High: 22°F / Low: 8°F
Jan
22°/ 8°
💧 0.1"
❄️ 1.2"
Feb
28°/ 13°
💧 0.1"
❄️ 2.3"
Mar
34°/ 17°
💧 0.1"
❄️ 2.1"
Apr
46°/ 29°
💧 0.1"
❄️ 1.2"
May
57°/ 40°
💧 0.1"
❄️ 1.2"
Jun
65°/ 49°
💧 0.1"
Jul
68°/ 53°
💧 0.2"
Aug
66°/ 51°
💧 0.2"
Sep
57°/ 43°
💧 0.2"
❄️ 3.2"
Oct
43°/ 31°
💧 0.2"
❄️ 1.7"
Nov
29°/ 17°
💧 0.1"
❄️ 1.5"
Dec
25°/ 11°
💧 0.2"
❄️ 1.7"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

📬 Free weekly newsletter

This week in weather history.

Five notable weather anniversaries from the week ahead — deadliest tornadoes, record temps, historic storms — every Sunday. No spam, unsubscribe anytime.

4,200+ readers · Sunday delivery